-9-9n=-99

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Solution for -9-9n=-99 equation: 


Simplifying
-9 + -9n = -99

Solving
-9 + -9n = -99

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + -9n = -99 + 9

Combine like terms: -9 + 9 = 0
0 + -9n = -99 + 9
-9n = -99 + 9

Combine like terms: -99 + 9 = -90
-9n = -90

Divide each side by '-9'.
n = 10

Simplifying
n = 10

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